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JPL Small-Body Database Browser
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58790 (1998 FN81)
Classification: Main-belt Asteroid          SPK-ID: 2058790
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167912840364367 5.9791e-08  
a 2.727806679687095 1.5002e-08 au
q 2.40922263496327 1.6696e-07 au
i 3.749781495980598 3.9248e-06 deg
node 75.5355051546602 8.2952e-05 deg
peri 109.6854345783199 8.4577e-05 deg
M 317.473840476468 1.6901e-05 deg
tp 2459194.889352366139
(2020-Dec-11.38935237)
7.7695e-05 TDB
period 1645.579277223146
4.51
1.3575e-05
3.717e-08
d
yr
n .2187679469368906 1.8047e-09 deg/d
Q 3.046390724410919 1.6754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      10291 days (28.18 yr)  
   first obs. used      1991-10-04  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:04:11  

Additional Information
 Earth MOID = 1.41393 au 
 Jupiter MOID = 1.91515 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456640.5 (2013-Dec-14.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174659116103259 5.9731e-08  
q 2.406667558066303 1.6686e-07 au
tp 2455907.165722248795
(2011-Dec-11.66572225)
7.4559e-05 TDB
node 75.58813203935802 8.2957e-05 deg
peri 110.1852660261844 8.4566e-05 deg
i 3.750159805841063 3.9245e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      10291 days (28.18 yr)  
   first obs. used      1991-10-04  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:04:11  

Additional Information
 Jupiter MOID = 1.91515 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.567851766613916E-15 -9.937605963643133E-15 -4.158867354148863E-13 3.723084260225626E-14 -2.078230803554498E-14 -3.934025923554876E-15
q -9.937605963643133E-15 2.784190782036022E-14 1.06416145516954E-12 -1.052640535604047E-13 5.305817764228287E-14 1.124442854732724E-14
tp -4.158867354148863E-13 1.06416145516954E-12 5.559085948312926E-9 -9.575886406070389E-12 1.26179162635973E-9 2.121229593822347E-12
node 3.723084260225626E-14 -1.052640535604047E-13 -9.575886406070389E-12 6.881818888486704E-9 -6.86808175638195E-9 -5.329473901004845E-11
peri -2.078230803554498E-14 5.305817764228287E-14 1.26179162635973E-9 -6.86808175638195E-9 7.151485518705787E-9 5.356680558027216E-11
i -3.934025923554876E-15 1.124442854732724E-14 2.121229593822347E-12 -5.329473901004845E-11 5.356680558027216E-11 1.54015640478445E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO452967  

58790 (1998 FN81)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FN81 = 2000 SY250 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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